package io.vividcode.happyride.tripservice.web;

import io.vividcode.happyride.tripservice.api.events.CancellationParty;
import io.vividcode.happyride.tripservice.api.web.AcceptTripRequest;
import io.vividcode.happyride.tripservice.api.web.CreateTripRequest;
import io.vividcode.happyride.tripservice.api.web.TripVO;
import io.vividcode.happyride.tripservice.domain.TripService;

import java.net.URI;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;

@RestController
public class TripController {

    @Autowired
    TripService tripService;

    @PostMapping("/")
    public ResponseEntity<Void> createTrip(@RequestBody CreateTripRequest request) {
        TripVO trip = tripService
                .createTrip(request.getPassengerId(), request.getStartPos(), request.getEndPos());
        return ResponseEntity.created(resourceCreated(trip.getId())).build();
    }

    @GetMapping("{id}")
    public ResponseEntity<TripVO> getTrip(@PathVariable("id") String id) {
        return tripService.getTrip(id)
                .map(ResponseEntity::ok)
                .orElse(ResponseEntity.notFound().build());
    }

    @PostMapping("{id}/accept")
    public void acceptTrip(@PathVariable("id") String id,
                           @RequestBody AcceptTripRequest request) {
        tripService
                .driverAcceptTrip(id, request.getDriverId(), request.getPosLng(), request.getPosLat());
    }

    @PostMapping("{id}/cancelByPassenger")
    public void cancelByPassenger(@PathVariable("id") String id) {
        tripService.shouldCancel(id, CancellationParty.PASSENGER);
    }

    @PostMapping("{id}/cancelByDriver")
    public void cancelByDriver(@PathVariable("id") String id) {
        tripService.shouldCancel(id, CancellationParty.DRIVER);
    }

    @PostMapping("{id}/rejectCancellationByPassenger")
    public void rejectCancellationByPassenger(@PathVariable("id") String id) {
        tripService.shouldNotCancel(id, CancellationParty.PASSENGER);
    }

    @PostMapping("{id}/rejectCancellationByDriver")
    public void rejectCancellationByDriver(@PathVariable("id") String id) {
        tripService.shouldNotCancel(id, CancellationParty.DRIVER);
    }

    @PostMapping("{id}/start")
    public ResponseEntity<Void> startTrip(@PathVariable("id") String id) {
        tripService.markTripAsStarted(id);
        return ResponseEntity.noContent().build();
    }

    @PostMapping("{id}/finish")
    public ResponseEntity<Void> finishTrip(@PathVariable("id") String id) {
        tripService.markTripAsFinished(id);
        return ResponseEntity.noContent().build();
    }

    private URI resourceCreated(String resourceId) {
        return ServletUriComponentsBuilder.fromCurrentRequest()
                .path("/{id}")
                .buildAndExpand(resourceId)
                .toUri();
    }
}
